Base | Representation |
---|---|
bin | 101111101001… |
… | …100001101010 |
3 | 212111121020101 |
4 | 233221201222 |
5 | 11144201413 |
6 | 1123420014 |
7 | 211112332 |
oct | 57514152 |
9 | 25447211 |
10 | 12490858 |
11 | 7061626 |
12 | 422460a |
13 | 2784553 |
14 | 19320c2 |
15 | 116aedd |
hex | be986a |
12490858 has 8 divisors (see below), whose sum is σ = 18757440. Its totient is φ = 6238380.
The previous prime is 12490837. The next prime is 12490873. The reversal of 12490858 is 85809421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928 + ... + 5083.
It is an arithmetic number, because the mean of its divisors is an integer number (2344680).
Almost surely, 212490858 is an apocalyptic number.
12490858 is a deficient number, since it is larger than the sum of its proper divisors (6266582).
12490858 is a wasteful number, since it uses less digits than its factorization.
12490858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7052.
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 12490858 is about 3534.2407954184. The cubic root of 12490858 is about 232.0228500086.
The spelling of 12490858 in words is "twelve million, four hundred ninety thousand, eight hundred fifty-eight".
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